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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * --------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * FastScatterPlot.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * --------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2011, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Arnaud Lelievre;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
<span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 29-Oct-2002 : Added standard header (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 07-Nov-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 19-Aug-2003 : Implemented Cloneable (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 08-Sep-2003 : Added internationalization via use of properties<a name="line.41"></a>
<span class="sourceLineNo">042</span> *               resourceBundle (RFE 690236) (AL);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 12-Nov-2003 : Implemented zooming (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 21-Jan-2004 : Update for renamed method in ValueAxis (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 26-Jan-2004 : Added domain and range grid lines (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 29-Sep-2004 : Removed hard-coded color (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 04-Oct-2004 : Reworked equals() method and renamed ArrayUtils<a name="line.49"></a>
<span class="sourceLineNo">050</span> *               --&gt; ArrayUtilities (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 12-Nov-2004 : Implemented the new Zoomable interface (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 05-May-2005 : Updated draw() method parameters (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 16-Jun-2005 : Added get/setData() methods (DG);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 10-Nov-2006 : Fixed bug 1593150, by not allowing null axes, and added<a name="line.55"></a>
<span class="sourceLineNo">056</span> *               setDomainAxis() and setRangeAxis() methods (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 24-Sep-2007 : Implemented new zooming methods (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 25-Mar-2008 : Make use of new fireChangeEvent() method (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by<a name="line.59"></a>
<span class="sourceLineNo">060</span> *               Jess Thrysoee (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 26-Mar-2009 : Implemented Pannable, and fixed bug in zooming (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> *<a name="line.62"></a>
<span class="sourceLineNo">063</span> */<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>package org.jfree.chart.plot;<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span>import java.awt.AlphaComposite;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import java.awt.BasicStroke;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import java.awt.Color;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import java.awt.Composite;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import java.awt.Graphics2D;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import java.awt.Paint;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import java.awt.Shape;<a name="line.73"></a>
<span class="sourceLineNo">074</span>import java.awt.Stroke;<a name="line.74"></a>
<span class="sourceLineNo">075</span>import java.awt.geom.Line2D;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import java.awt.geom.Point2D;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import java.awt.geom.Rectangle2D;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import java.io.IOException;<a name="line.78"></a>
<span class="sourceLineNo">079</span>import java.io.ObjectInputStream;<a name="line.79"></a>
<span class="sourceLineNo">080</span>import java.io.ObjectOutputStream;<a name="line.80"></a>
<span class="sourceLineNo">081</span>import java.io.Serializable;<a name="line.81"></a>
<span class="sourceLineNo">082</span>import java.util.Iterator;<a name="line.82"></a>
<span class="sourceLineNo">083</span>import java.util.List;<a name="line.83"></a>
<span class="sourceLineNo">084</span>import java.util.ResourceBundle;<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span>import org.jfree.chart.axis.AxisSpace;<a name="line.86"></a>
<span class="sourceLineNo">087</span>import org.jfree.chart.axis.AxisState;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import org.jfree.chart.axis.NumberAxis;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import org.jfree.chart.axis.ValueAxis;<a name="line.89"></a>
<span class="sourceLineNo">090</span>import org.jfree.chart.axis.ValueTick;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import org.jfree.chart.event.PlotChangeEvent;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import org.jfree.chart.util.ResourceBundleWrapper;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import org.jfree.data.Range;<a name="line.93"></a>
<span class="sourceLineNo">094</span>import org.jfree.io.SerialUtilities;<a name="line.94"></a>
<span class="sourceLineNo">095</span>import org.jfree.ui.RectangleEdge;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import org.jfree.ui.RectangleInsets;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import org.jfree.util.ArrayUtilities;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import org.jfree.util.ObjectUtilities;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import org.jfree.util.PaintUtilities;<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>/**<a name="line.101"></a>
<span class="sourceLineNo">102</span> * A fast scatter plot.<a name="line.102"></a>
<span class="sourceLineNo">103</span> */<a name="line.103"></a>
<span class="sourceLineNo">104</span>public class FastScatterPlot extends Plot implements ValueAxisPlot, Pannable,<a name="line.104"></a>
<span class="sourceLineNo">105</span>        Zoomable, Cloneable, Serializable {<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span>    /** For serialization. */<a name="line.107"></a>
<span class="sourceLineNo">108</span>    private static final long serialVersionUID = 7871545897358563521L;<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span>    /** The default grid line stroke. */<a name="line.110"></a>
<span class="sourceLineNo">111</span>    public static final Stroke DEFAULT_GRIDLINE_STROKE = new BasicStroke(0.5f,<a name="line.111"></a>
<span class="sourceLineNo">112</span>            BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0.0f, new float[]<a name="line.112"></a>
<span class="sourceLineNo">113</span>            {2.0f, 2.0f}, 0.0f);<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span>    /** The default grid line paint. */<a name="line.115"></a>
<span class="sourceLineNo">116</span>    public static final Paint DEFAULT_GRIDLINE_PAINT = Color.lightGray;<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span>    /** The data. */<a name="line.118"></a>
<span class="sourceLineNo">119</span>    private float[][] data;<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span>    /** The x data range. */<a name="line.121"></a>
<span class="sourceLineNo">122</span>    private Range xDataRange;<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>    /** The y data range. */<a name="line.124"></a>
<span class="sourceLineNo">125</span>    private Range yDataRange;<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span>    /** The domain axis (used for the x-values). */<a name="line.127"></a>
<span class="sourceLineNo">128</span>    private ValueAxis domainAxis;<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>    /** The range axis (used for the y-values). */<a name="line.130"></a>
<span class="sourceLineNo">131</span>    private ValueAxis rangeAxis;<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span>    /** The paint used to plot data points. */<a name="line.133"></a>
<span class="sourceLineNo">134</span>    private transient Paint paint;<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>    /** A flag that controls whether the domain grid-lines are visible. */<a name="line.136"></a>
<span class="sourceLineNo">137</span>    private boolean domainGridlinesVisible;<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>    /** The stroke used to draw the domain grid-lines. */<a name="line.139"></a>
<span class="sourceLineNo">140</span>    private transient Stroke domainGridlineStroke;<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span>    /** The paint used to draw the domain grid-lines. */<a name="line.142"></a>
<span class="sourceLineNo">143</span>    private transient Paint domainGridlinePaint;<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span>    /** A flag that controls whether the range grid-lines are visible. */<a name="line.145"></a>
<span class="sourceLineNo">146</span>    private boolean rangeGridlinesVisible;<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span>    /** The stroke used to draw the range grid-lines. */<a name="line.148"></a>
<span class="sourceLineNo">149</span>    private transient Stroke rangeGridlineStroke;<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>    /** The paint used to draw the range grid-lines. */<a name="line.151"></a>
<span class="sourceLineNo">152</span>    private transient Paint rangeGridlinePaint;<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span>    /**<a name="line.154"></a>
<span class="sourceLineNo">155</span>     * A flag that controls whether or not panning is enabled for the domain<a name="line.155"></a>
<span class="sourceLineNo">156</span>     * axis.<a name="line.156"></a>
<span class="sourceLineNo">157</span>     *<a name="line.157"></a>
<span class="sourceLineNo">158</span>     * @since 1.0.13<a name="line.158"></a>
<span class="sourceLineNo">159</span>     */<a name="line.159"></a>
<span class="sourceLineNo">160</span>    private boolean domainPannable;<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span>    /**<a name="line.162"></a>
<span class="sourceLineNo">163</span>     * A flag that controls whether or not panning is enabled for the range<a name="line.163"></a>
<span class="sourceLineNo">164</span>     * axis.<a name="line.164"></a>
<span class="sourceLineNo">165</span>     *<a name="line.165"></a>
<span class="sourceLineNo">166</span>     * @since 1.0.13<a name="line.166"></a>
<span class="sourceLineNo">167</span>     */<a name="line.167"></a>
<span class="sourceLineNo">168</span>    private boolean rangePannable;<a name="line.168"></a>
<span class="sourceLineNo">169</span><a name="line.169"></a>
<span class="sourceLineNo">170</span>    /** The resourceBundle for the localization. */<a name="line.170"></a>
<span class="sourceLineNo">171</span>    protected static ResourceBundle localizationResources<a name="line.171"></a>
<span class="sourceLineNo">172</span>            = ResourceBundleWrapper.getBundle(<a name="line.172"></a>
<span class="sourceLineNo">173</span>            "org.jfree.chart.plot.LocalizationBundle");<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>    /**<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * Creates a new instance of &lt;code&gt;FastScatterPlot&lt;/code&gt; with default<a name="line.176"></a>
<span class="sourceLineNo">177</span>     * axes.<a name="line.177"></a>
<span class="sourceLineNo">178</span>     */<a name="line.178"></a>
<span class="sourceLineNo">179</span>    public FastScatterPlot() {<a name="line.179"></a>
<span class="sourceLineNo">180</span>        this(null, new NumberAxis("X"), new NumberAxis("Y"));<a name="line.180"></a>
<span class="sourceLineNo">181</span>    }<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span>    /**<a name="line.183"></a>
<span class="sourceLineNo">184</span>     * Creates a new fast scatter plot.<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * &lt;p&gt;<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * The data is an array of x, y values:  data[0][i] = x, data[1][i] = y.<a name="line.186"></a>
<span class="sourceLineNo">187</span>     *<a name="line.187"></a>
<span class="sourceLineNo">188</span>     * @param data  the data (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.188"></a>
<span class="sourceLineNo">189</span>     * @param domainAxis  the domain (x) axis (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.189"></a>
<span class="sourceLineNo">190</span>     * @param rangeAxis  the range (y) axis (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.190"></a>
<span class="sourceLineNo">191</span>     */<a name="line.191"></a>
<span class="sourceLineNo">192</span>    public FastScatterPlot(float[][] data,<a name="line.192"></a>
<span class="sourceLineNo">193</span>                           ValueAxis domainAxis, ValueAxis rangeAxis) {<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>        super();<a name="line.195"></a>
<span class="sourceLineNo">196</span>        if (domainAxis == null) {<a name="line.196"></a>
<span class="sourceLineNo">197</span>            throw new IllegalArgumentException("Null 'domainAxis' argument.");<a name="line.197"></a>
<span class="sourceLineNo">198</span>        }<a name="line.198"></a>
<span class="sourceLineNo">199</span>        if (rangeAxis == null) {<a name="line.199"></a>
<span class="sourceLineNo">200</span>            throw new IllegalArgumentException("Null 'rangeAxis' argument.");<a name="line.200"></a>
<span class="sourceLineNo">201</span>        }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>        this.data = data;<a name="line.203"></a>
<span class="sourceLineNo">204</span>        this.xDataRange = calculateXDataRange(data);<a name="line.204"></a>
<span class="sourceLineNo">205</span>        this.yDataRange = calculateYDataRange(data);<a name="line.205"></a>
<span class="sourceLineNo">206</span>        this.domainAxis = domainAxis;<a name="line.206"></a>
<span class="sourceLineNo">207</span>        this.domainAxis.setPlot(this);<a name="line.207"></a>
<span class="sourceLineNo">208</span>        this.domainAxis.addChangeListener(this);<a name="line.208"></a>
<span class="sourceLineNo">209</span>        this.rangeAxis = rangeAxis;<a name="line.209"></a>
<span class="sourceLineNo">210</span>        this.rangeAxis.setPlot(this);<a name="line.210"></a>
<span class="sourceLineNo">211</span>        this.rangeAxis.addChangeListener(this);<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span>        this.paint = Color.red;<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>        this.domainGridlinesVisible = true;<a name="line.215"></a>
<span class="sourceLineNo">216</span>        this.domainGridlinePaint = FastScatterPlot.DEFAULT_GRIDLINE_PAINT;<a name="line.216"></a>
<span class="sourceLineNo">217</span>        this.domainGridlineStroke = FastScatterPlot.DEFAULT_GRIDLINE_STROKE;<a name="line.217"></a>
<span class="sourceLineNo">218</span><a name="line.218"></a>
<span class="sourceLineNo">219</span>        this.rangeGridlinesVisible = true;<a name="line.219"></a>
<span class="sourceLineNo">220</span>        this.rangeGridlinePaint = FastScatterPlot.DEFAULT_GRIDLINE_PAINT;<a name="line.220"></a>
<span class="sourceLineNo">221</span>        this.rangeGridlineStroke = FastScatterPlot.DEFAULT_GRIDLINE_STROKE;<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>    }<a name="line.223"></a>
<span class="sourceLineNo">224</span><a name="line.224"></a>
<span class="sourceLineNo">225</span>    /**<a name="line.225"></a>
<span class="sourceLineNo">226</span>     * Returns a short string describing the plot type.<a name="line.226"></a>
<span class="sourceLineNo">227</span>     *<a name="line.227"></a>
<span class="sourceLineNo">228</span>     * @return A short string describing the plot type.<a name="line.228"></a>
<span class="sourceLineNo">229</span>     */<a name="line.229"></a>
<span class="sourceLineNo">230</span>    public String getPlotType() {<a name="line.230"></a>
<span class="sourceLineNo">231</span>        return localizationResources.getString("Fast_Scatter_Plot");<a name="line.231"></a>
<span class="sourceLineNo">232</span>    }<a name="line.232"></a>
<span class="sourceLineNo">233</span><a name="line.233"></a>
<span class="sourceLineNo">234</span>    /**<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * Returns the data array used by the plot.<a name="line.235"></a>
<span class="sourceLineNo">236</span>     *<a name="line.236"></a>
<span class="sourceLineNo">237</span>     * @return The data array (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.237"></a>
<span class="sourceLineNo">238</span>     *<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * @see #setData(float[][])<a name="line.239"></a>
<span class="sourceLineNo">240</span>     */<a name="line.240"></a>
<span class="sourceLineNo">241</span>    public float[][] getData() {<a name="line.241"></a>
<span class="sourceLineNo">242</span>        return this.data;<a name="line.242"></a>
<span class="sourceLineNo">243</span>    }<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span>    /**<a name="line.245"></a>
<span class="sourceLineNo">246</span>     * Sets the data array used by the plot and sends a {@link PlotChangeEvent}<a name="line.246"></a>
<span class="sourceLineNo">247</span>     * to all registered listeners.<a name="line.247"></a>
<span class="sourceLineNo">248</span>     *<a name="line.248"></a>
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<span class="sourceLineNo">257</span><a name="line.257"></a>
<span class="sourceLineNo">258</span>    /**<a name="line.258"></a>
<span class="sourceLineNo">259</span>     * Returns the orientation of the plot.<a name="line.259"></a>
<span class="sourceLineNo">260</span>     *<a name="line.260"></a>
<span class="sourceLineNo">261</span>     * @return The orientation (always {@link PlotOrientation#VERTICAL}).<a name="line.261"></a>
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<span class="sourceLineNo">266</span><a name="line.266"></a>
<span class="sourceLineNo">267</span>    /**<a name="line.267"></a>
<span class="sourceLineNo">268</span>     * Returns the domain axis for the plot.<a name="line.268"></a>
<span class="sourceLineNo">269</span>     *<a name="line.269"></a>
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<span class="sourceLineNo">277</span><a name="line.277"></a>
<span class="sourceLineNo">278</span>    /**<a name="line.278"></a>
<span class="sourceLineNo">279</span>     * Sets the domain axis and sends a {@link PlotChangeEvent} to all<a name="line.279"></a>
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<span class="sourceLineNo">281</span>     *<a name="line.281"></a>
<span class="sourceLineNo">282</span>     * @param axis  the axis (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.282"></a>
<span class="sourceLineNo">283</span>     *<a name="line.283"></a>
<span class="sourceLineNo">284</span>     * @since 1.0.3<a name="line.284"></a>
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<span class="sourceLineNo">286</span>     * @see #getDomainAxis()<a name="line.286"></a>
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<span class="sourceLineNo">292</span>        this.domainAxis = axis;<a name="line.292"></a>
<span class="sourceLineNo">293</span>        fireChangeEvent();<a name="line.293"></a>
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<span class="sourceLineNo">295</span><a name="line.295"></a>
<span class="sourceLineNo">296</span>    /**<a name="line.296"></a>
<span class="sourceLineNo">297</span>     * Returns the range axis for the plot.<a name="line.297"></a>
<span class="sourceLineNo">298</span>     *<a name="line.298"></a>
<span class="sourceLineNo">299</span>     * @return The range axis (never &lt;code&gt;null&lt;/code&gt;).<a name="line.299"></a>
<span class="sourceLineNo">300</span>     *<a name="line.300"></a>
<span class="sourceLineNo">301</span>     * @see #setRangeAxis(ValueAxis)<a name="line.301"></a>
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<span class="sourceLineNo">306</span><a name="line.306"></a>
<span class="sourceLineNo">307</span>    /**<a name="line.307"></a>
<span class="sourceLineNo">308</span>     * Sets the range axis and sends a {@link PlotChangeEvent} to all<a name="line.308"></a>
<span class="sourceLineNo">309</span>     * registered listeners.<a name="line.309"></a>
<span class="sourceLineNo">310</span>     *<a name="line.310"></a>
<span class="sourceLineNo">311</span>     * @param axis  the axis (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.311"></a>
<span class="sourceLineNo">312</span>     *<a name="line.312"></a>
<span class="sourceLineNo">313</span>     * @since 1.0.3<a name="line.313"></a>
<span class="sourceLineNo">314</span>     *<a name="line.314"></a>
<span class="sourceLineNo">315</span>     * @see #getRangeAxis()<a name="line.315"></a>
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<span class="sourceLineNo">326</span>     * Returns the paint used to plot data points.  The default is<a name="line.326"></a>
<span class="sourceLineNo">327</span>     * &lt;code&gt;Color.red&lt;/code&gt;.<a name="line.327"></a>
<span class="sourceLineNo">328</span>     *<a name="line.328"></a>
<span class="sourceLineNo">329</span>     * @return The paint.<a name="line.329"></a>
<span class="sourceLineNo">330</span>     *<a name="line.330"></a>
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<span class="sourceLineNo">337</span>    /**<a name="line.337"></a>
<span class="sourceLineNo">338</span>     * Sets the color for the data points and sends a {@link PlotChangeEvent}<a name="line.338"></a>
<span class="sourceLineNo">339</span>     * to all registered listeners.<a name="line.339"></a>
<span class="sourceLineNo">340</span>     *<a name="line.340"></a>
<span class="sourceLineNo">341</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.341"></a>
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<span class="sourceLineNo">343</span>     * @see #getPaint()<a name="line.343"></a>
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<span class="sourceLineNo">352</span><a name="line.352"></a>
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<span class="sourceLineNo">354</span>     * Returns &lt;code&gt;true&lt;/code&gt; if the domain gridlines are visible, and<a name="line.354"></a>
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<span class="sourceLineNo">357</span>     * @return &lt;code&gt;true&lt;/code&gt; or &lt;code&gt;false&lt;/code&gt;.<a name="line.357"></a>
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<span class="sourceLineNo">365</span><a name="line.365"></a>
<span class="sourceLineNo">366</span>    /**<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * Sets the flag that controls whether or not the domain grid-lines are<a name="line.367"></a>
<span class="sourceLineNo">368</span>     * visible.  If the flag value is changed, a {@link PlotChangeEvent} is<a name="line.368"></a>
<span class="sourceLineNo">369</span>     * sent to all registered listeners.<a name="line.369"></a>
<span class="sourceLineNo">370</span>     *<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * @param visible  the new value of the flag.<a name="line.371"></a>
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<span class="sourceLineNo">373</span>     * @see #getDomainGridlinePaint()<a name="line.373"></a>
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<span class="sourceLineNo">381</span><a name="line.381"></a>
<span class="sourceLineNo">382</span>    /**<a name="line.382"></a>
<span class="sourceLineNo">383</span>     * Returns the stroke for the grid-lines (if any) plotted against the<a name="line.383"></a>
<span class="sourceLineNo">384</span>     * domain axis.<a name="line.384"></a>
<span class="sourceLineNo">385</span>     *<a name="line.385"></a>
<span class="sourceLineNo">386</span>     * @return The stroke (never &lt;code&gt;null&lt;/code&gt;).<a name="line.386"></a>
<span class="sourceLineNo">387</span>     *<a name="line.387"></a>
<span class="sourceLineNo">388</span>     * @see #setDomainGridlineStroke(Stroke)<a name="line.388"></a>
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<span class="sourceLineNo">393</span><a name="line.393"></a>
<span class="sourceLineNo">394</span>    /**<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * Sets the stroke for the grid lines plotted against the domain axis and<a name="line.395"></a>
<span class="sourceLineNo">396</span>     * sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.396"></a>
<span class="sourceLineNo">397</span>     *<a name="line.397"></a>
<span class="sourceLineNo">398</span>     * @param stroke  the stroke (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.398"></a>
<span class="sourceLineNo">399</span>     *<a name="line.399"></a>
<span class="sourceLineNo">400</span>     * @see #getDomainGridlineStroke()<a name="line.400"></a>
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<span class="sourceLineNo">404</span>            throw new IllegalArgumentException("Null 'stroke' argument.");<a name="line.404"></a>
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<span class="sourceLineNo">406</span>        this.domainGridlineStroke = stroke;<a name="line.406"></a>
<span class="sourceLineNo">407</span>        fireChangeEvent();<a name="line.407"></a>
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<span class="sourceLineNo">409</span><a name="line.409"></a>
<span class="sourceLineNo">410</span>    /**<a name="line.410"></a>
<span class="sourceLineNo">411</span>     * Returns the paint for the grid lines (if any) plotted against the domain<a name="line.411"></a>
<span class="sourceLineNo">412</span>     * axis.<a name="line.412"></a>
<span class="sourceLineNo">413</span>     *<a name="line.413"></a>
<span class="sourceLineNo">414</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.414"></a>
<span class="sourceLineNo">415</span>     *<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * @see #setDomainGridlinePaint(Paint)<a name="line.416"></a>
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<span class="sourceLineNo">421</span><a name="line.421"></a>
<span class="sourceLineNo">422</span>    /**<a name="line.422"></a>
<span class="sourceLineNo">423</span>     * Sets the paint for the grid lines plotted against the domain axis and<a name="line.423"></a>
<span class="sourceLineNo">424</span>     * sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.424"></a>
<span class="sourceLineNo">425</span>     *<a name="line.425"></a>
<span class="sourceLineNo">426</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.426"></a>
<span class="sourceLineNo">427</span>     *<a name="line.427"></a>
<span class="sourceLineNo">428</span>     * @see #getDomainGridlinePaint()<a name="line.428"></a>
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<span class="sourceLineNo">432</span>            throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.432"></a>
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<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span>    /**<a name="line.438"></a>
<span class="sourceLineNo">439</span>     * Returns &lt;code&gt;true&lt;/code&gt; if the range axis grid is visible, and<a name="line.439"></a>
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<span class="sourceLineNo">441</span>     *<a name="line.441"></a>
<span class="sourceLineNo">442</span>     * @return &lt;code&gt;true&lt;/code&gt; or &lt;code&gt;false&lt;/code&gt;.<a name="line.442"></a>
<span class="sourceLineNo">443</span>     *<a name="line.443"></a>
<span class="sourceLineNo">444</span>     * @see #setRangeGridlinesVisible(boolean)<a name="line.444"></a>
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<span class="sourceLineNo">449</span><a name="line.449"></a>
<span class="sourceLineNo">450</span>    /**<a name="line.450"></a>
<span class="sourceLineNo">451</span>     * Sets the flag that controls whether or not the range axis grid lines are<a name="line.451"></a>
<span class="sourceLineNo">452</span>     * visible.  If the flag value is changed, a {@link PlotChangeEvent} is<a name="line.452"></a>
<span class="sourceLineNo">453</span>     * sent to all registered listeners.<a name="line.453"></a>
<span class="sourceLineNo">454</span>     *<a name="line.454"></a>
<span class="sourceLineNo">455</span>     * @param visible  the new value of the flag.<a name="line.455"></a>
<span class="sourceLineNo">456</span>     *<a name="line.456"></a>
<span class="sourceLineNo">457</span>     * @see #isRangeGridlinesVisible()<a name="line.457"></a>
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<span class="sourceLineNo">465</span><a name="line.465"></a>
<span class="sourceLineNo">466</span>    /**<a name="line.466"></a>
<span class="sourceLineNo">467</span>     * Returns the stroke for the grid lines (if any) plotted against the range<a name="line.467"></a>
<span class="sourceLineNo">468</span>     * axis.<a name="line.468"></a>
<span class="sourceLineNo">469</span>     *<a name="line.469"></a>
<span class="sourceLineNo">470</span>     * @return The stroke (never &lt;code&gt;null&lt;/code&gt;).<a name="line.470"></a>
<span class="sourceLineNo">471</span>     *<a name="line.471"></a>
<span class="sourceLineNo">472</span>     * @see #setRangeGridlineStroke(Stroke)<a name="line.472"></a>
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<span class="sourceLineNo">477</span><a name="line.477"></a>
<span class="sourceLineNo">478</span>    /**<a name="line.478"></a>
<span class="sourceLineNo">479</span>     * Sets the stroke for the grid lines plotted against the range axis and<a name="line.479"></a>
<span class="sourceLineNo">480</span>     * sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.480"></a>
<span class="sourceLineNo">481</span>     *<a name="line.481"></a>
<span class="sourceLineNo">482</span>     * @param stroke  the stroke (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.482"></a>
<span class="sourceLineNo">483</span>     *<a name="line.483"></a>
<span class="sourceLineNo">484</span>     * @see #getRangeGridlineStroke()<a name="line.484"></a>
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<span class="sourceLineNo">493</span><a name="line.493"></a>
<span class="sourceLineNo">494</span>    /**<a name="line.494"></a>
<span class="sourceLineNo">495</span>     * Returns the paint for the grid lines (if any) plotted against the range<a name="line.495"></a>
<span class="sourceLineNo">496</span>     * axis.<a name="line.496"></a>
<span class="sourceLineNo">497</span>     *<a name="line.497"></a>
<span class="sourceLineNo">498</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.498"></a>
<span class="sourceLineNo">499</span>     *<a name="line.499"></a>
<span class="sourceLineNo">500</span>     * @see #setRangeGridlinePaint(Paint)<a name="line.500"></a>
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<span class="sourceLineNo">505</span><a name="line.505"></a>
<span class="sourceLineNo">506</span>    /**<a name="line.506"></a>
<span class="sourceLineNo">507</span>     * Sets the paint for the grid lines plotted against the range axis and<a name="line.507"></a>
<span class="sourceLineNo">508</span>     * sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.508"></a>
<span class="sourceLineNo">509</span>     *<a name="line.509"></a>
<span class="sourceLineNo">510</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.510"></a>
<span class="sourceLineNo">511</span>     *<a name="line.511"></a>
<span class="sourceLineNo">512</span>     * @see #getRangeGridlinePaint()<a name="line.512"></a>
<span class="sourceLineNo">513</span>     */<a name="line.513"></a>
<span class="sourceLineNo">514</span>    public void setRangeGridlinePaint(Paint paint) {<a name="line.514"></a>
<span class="sourceLineNo">515</span>        if (paint == null) {<a name="line.515"></a>
<span class="sourceLineNo">516</span>            throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.516"></a>
<span class="sourceLineNo">517</span>        }<a name="line.517"></a>
<span class="sourceLineNo">518</span>        this.rangeGridlinePaint = paint;<a name="line.518"></a>
<span class="sourceLineNo">519</span>        fireChangeEvent();<a name="line.519"></a>
<span class="sourceLineNo">520</span>    }<a name="line.520"></a>
<span class="sourceLineNo">521</span><a name="line.521"></a>
<span class="sourceLineNo">522</span>    /**<a name="line.522"></a>
<span class="sourceLineNo">523</span>     * Draws the fast scatter plot on a Java 2D graphics device (such as the<a name="line.523"></a>
<span class="sourceLineNo">524</span>     * screen or a printer).<a name="line.524"></a>
<span class="sourceLineNo">525</span>     *<a name="line.525"></a>
<span class="sourceLineNo">526</span>     * @param g2  the graphics device.<a name="line.526"></a>
<span class="sourceLineNo">527</span>     * @param area   the area within which the plot (including axis labels)<a name="line.527"></a>
<span class="sourceLineNo">528</span>     *                   should be drawn.<a name="line.528"></a>
<span class="sourceLineNo">529</span>     * @param anchor  the anchor point (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.529"></a>
<span class="sourceLineNo">530</span>     * @param parentState  the state from the parent plot (ignored).<a name="line.530"></a>
<span class="sourceLineNo">531</span>     * @param info  collects chart drawing information (&lt;code&gt;null&lt;/code&gt;<a name="line.531"></a>
<span class="sourceLineNo">532</span>     *              permitted).<a name="line.532"></a>
<span class="sourceLineNo">533</span>     */<a name="line.533"></a>
<span class="sourceLineNo">534</span>    public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,<a name="line.534"></a>
<span class="sourceLineNo">535</span>                     PlotState parentState,<a name="line.535"></a>
<span class="sourceLineNo">536</span>                     PlotRenderingInfo info) {<a name="line.536"></a>
<span class="sourceLineNo">537</span><a name="line.537"></a>
<span class="sourceLineNo">538</span>        // set up info collection...<a name="line.538"></a>
<span class="sourceLineNo">539</span>        if (info != null) {<a name="line.539"></a>
<span class="sourceLineNo">540</span>            info.setPlotArea(area);<a name="line.540"></a>
<span class="sourceLineNo">541</span>        }<a name="line.541"></a>
<span class="sourceLineNo">542</span><a name="line.542"></a>
<span class="sourceLineNo">543</span>        // adjust the drawing area for plot insets (if any)...<a name="line.543"></a>
<span class="sourceLineNo">544</span>        RectangleInsets insets = getInsets();<a name="line.544"></a>
<span class="sourceLineNo">545</span>        insets.trim(area);<a name="line.545"></a>
<span class="sourceLineNo">546</span><a name="line.546"></a>
<span class="sourceLineNo">547</span>        AxisSpace space = new AxisSpace();<a name="line.547"></a>
<span class="sourceLineNo">548</span>        space = this.domainAxis.reserveSpace(g2, this, area,<a name="line.548"></a>
<span class="sourceLineNo">549</span>                RectangleEdge.BOTTOM, space);<a name="line.549"></a>
<span class="sourceLineNo">550</span>        space = this.rangeAxis.reserveSpace(g2, this, area, RectangleEdge.LEFT,<a name="line.550"></a>
<span class="sourceLineNo">551</span>                space);<a name="line.551"></a>
<span class="sourceLineNo">552</span>        Rectangle2D dataArea = space.shrink(area, null);<a name="line.552"></a>
<span class="sourceLineNo">553</span><a name="line.553"></a>
<span class="sourceLineNo">554</span>        if (info != null) {<a name="line.554"></a>
<span class="sourceLineNo">555</span>            info.setDataArea(dataArea);<a name="line.555"></a>
<span class="sourceLineNo">556</span>        }<a name="line.556"></a>
<span class="sourceLineNo">557</span><a name="line.557"></a>
<span class="sourceLineNo">558</span>        // draw the plot background and axes...<a name="line.558"></a>
<span class="sourceLineNo">559</span>        drawBackground(g2, dataArea);<a name="line.559"></a>
<span class="sourceLineNo">560</span><a name="line.560"></a>
<span class="sourceLineNo">561</span>        AxisState domainAxisState = this.domainAxis.draw(g2,<a name="line.561"></a>
<span class="sourceLineNo">562</span>                dataArea.getMaxY(), area, dataArea, RectangleEdge.BOTTOM, info);<a name="line.562"></a>
<span class="sourceLineNo">563</span>        AxisState rangeAxisState = this.rangeAxis.draw(g2, dataArea.getMinX(),<a name="line.563"></a>
<span class="sourceLineNo">564</span>                area, dataArea, RectangleEdge.LEFT, info);<a name="line.564"></a>
<span class="sourceLineNo">565</span>        drawDomainGridlines(g2, dataArea, domainAxisState.getTicks());<a name="line.565"></a>
<span class="sourceLineNo">566</span>        drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());<a name="line.566"></a>
<span class="sourceLineNo">567</span><a name="line.567"></a>
<span class="sourceLineNo">568</span>        Shape originalClip = g2.getClip();<a name="line.568"></a>
<span class="sourceLineNo">569</span>        Composite originalComposite = g2.getComposite();<a name="line.569"></a>
<span class="sourceLineNo">570</span><a name="line.570"></a>
<span class="sourceLineNo">571</span>        g2.clip(dataArea);<a name="line.571"></a>
<span class="sourceLineNo">572</span>        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER,<a name="line.572"></a>
<span class="sourceLineNo">573</span>                getForegroundAlpha()));<a name="line.573"></a>
<span class="sourceLineNo">574</span><a name="line.574"></a>
<span class="sourceLineNo">575</span>        render(g2, dataArea, info, null);<a name="line.575"></a>
<span class="sourceLineNo">576</span><a name="line.576"></a>
<span class="sourceLineNo">577</span>        g2.setClip(originalClip);<a name="line.577"></a>
<span class="sourceLineNo">578</span>        g2.setComposite(originalComposite);<a name="line.578"></a>
<span class="sourceLineNo">579</span>        drawOutline(g2, dataArea);<a name="line.579"></a>
<span class="sourceLineNo">580</span><a name="line.580"></a>
<span class="sourceLineNo">581</span>    }<a name="line.581"></a>
<span class="sourceLineNo">582</span><a name="line.582"></a>
<span class="sourceLineNo">583</span>    /**<a name="line.583"></a>
<span class="sourceLineNo">584</span>     * Draws a representation of the data within the dataArea region.  The<a name="line.584"></a>
<span class="sourceLineNo">585</span>     * &lt;code&gt;info&lt;/code&gt; and &lt;code&gt;crosshairState&lt;/code&gt; arguments may be<a name="line.585"></a>
<span class="sourceLineNo">586</span>     * &lt;code&gt;null&lt;/code&gt;.<a name="line.586"></a>
<span class="sourceLineNo">587</span>     *<a name="line.587"></a>
<span class="sourceLineNo">588</span>     * @param g2  the graphics device.<a name="line.588"></a>
<span class="sourceLineNo">589</span>     * @param dataArea  the region in which the data is to be drawn.<a name="line.589"></a>
<span class="sourceLineNo">590</span>     * @param info  an optional object for collection dimension information.<a name="line.590"></a>
<span class="sourceLineNo">591</span>     * @param crosshairState  collects crosshair information (&lt;code&gt;null&lt;/code&gt;<a name="line.591"></a>
<span class="sourceLineNo">592</span>     *                        permitted).<a name="line.592"></a>
<span class="sourceLineNo">593</span>     */<a name="line.593"></a>
<span class="sourceLineNo">594</span>    public void render(Graphics2D g2, Rectangle2D dataArea,<a name="line.594"></a>
<span class="sourceLineNo">595</span>                       PlotRenderingInfo info, CrosshairState crosshairState) {<a name="line.595"></a>
<span class="sourceLineNo">596</span><a name="line.596"></a>
<span class="sourceLineNo">597</span><a name="line.597"></a>
<span class="sourceLineNo">598</span>        //long start = System.currentTimeMillis();<a name="line.598"></a>
<span class="sourceLineNo">599</span>        //System.out.println("Start: " + start);<a name="line.599"></a>
<span class="sourceLineNo">600</span>        g2.setPaint(this.paint);<a name="line.600"></a>
<span class="sourceLineNo">601</span><a name="line.601"></a>
<span class="sourceLineNo">602</span>        // if the axes use a linear scale, you can uncomment the code below and<a name="line.602"></a>
<span class="sourceLineNo">603</span>        // switch to the alternative transX/transY calculation inside the loop<a name="line.603"></a>
<span class="sourceLineNo">604</span>        // that follows - it is a little bit faster then.<a name="line.604"></a>
<span class="sourceLineNo">605</span>        //<a name="line.605"></a>
<span class="sourceLineNo">606</span>        // int xx = (int) dataArea.getMinX();<a name="line.606"></a>
<span class="sourceLineNo">607</span>        // int ww = (int) dataArea.getWidth();<a name="line.607"></a>
<span class="sourceLineNo">608</span>        // int yy = (int) dataArea.getMaxY();<a name="line.608"></a>
<span class="sourceLineNo">609</span>        // int hh = (int) dataArea.getHeight();<a name="line.609"></a>
<span class="sourceLineNo">610</span>        // double domainMin = this.domainAxis.getLowerBound();<a name="line.610"></a>
<span class="sourceLineNo">611</span>        // double domainLength = this.domainAxis.getUpperBound() - domainMin;<a name="line.611"></a>
<span class="sourceLineNo">612</span>        // double rangeMin = this.rangeAxis.getLowerBound();<a name="line.612"></a>
<span class="sourceLineNo">613</span>        // double rangeLength = this.rangeAxis.getUpperBound() - rangeMin;<a name="line.613"></a>
<span class="sourceLineNo">614</span><a name="line.614"></a>
<span class="sourceLineNo">615</span>        if (this.data != null) {<a name="line.615"></a>
<span class="sourceLineNo">616</span>            for (int i = 0; i &lt; this.data[0].length; i++) {<a name="line.616"></a>
<span class="sourceLineNo">617</span>                float x = this.data[0][i];<a name="line.617"></a>
<span class="sourceLineNo">618</span>                float y = this.data[1][i];<a name="line.618"></a>
<span class="sourceLineNo">619</span><a name="line.619"></a>
<span class="sourceLineNo">620</span>                //int transX = (int) (xx + ww * (x - domainMin) / domainLength);<a name="line.620"></a>
<span class="sourceLineNo">621</span>                //int transY = (int) (yy - hh * (y - rangeMin) / rangeLength);<a name="line.621"></a>
<span class="sourceLineNo">622</span>                int transX = (int) this.domainAxis.valueToJava2D(x, dataArea,<a name="line.622"></a>
<span class="sourceLineNo">623</span>                        RectangleEdge.BOTTOM);<a name="line.623"></a>
<span class="sourceLineNo">624</span>                int transY = (int) this.rangeAxis.valueToJava2D(y, dataArea,<a name="line.624"></a>
<span class="sourceLineNo">625</span>                        RectangleEdge.LEFT);<a name="line.625"></a>
<span class="sourceLineNo">626</span>                g2.fillRect(transX, transY, 1, 1);<a name="line.626"></a>
<span class="sourceLineNo">627</span>            }<a name="line.627"></a>
<span class="sourceLineNo">628</span>        }<a name="line.628"></a>
<span class="sourceLineNo">629</span>        //long finish = System.currentTimeMillis();<a name="line.629"></a>
<span class="sourceLineNo">630</span>        //System.out.println("Finish: " + finish);<a name="line.630"></a>
<span class="sourceLineNo">631</span>        //System.out.println("Time: " + (finish - start));<a name="line.631"></a>
<span class="sourceLineNo">632</span><a name="line.632"></a>
<span class="sourceLineNo">633</span>    }<a name="line.633"></a>
<span class="sourceLineNo">634</span><a name="line.634"></a>
<span class="sourceLineNo">635</span>    /**<a name="line.635"></a>
<span class="sourceLineNo">636</span>     * Draws the gridlines for the plot, if they are visible.<a name="line.636"></a>
<span class="sourceLineNo">637</span>     *<a name="line.637"></a>
<span class="sourceLineNo">638</span>     * @param g2  the graphics device.<a name="line.638"></a>
<span class="sourceLineNo">639</span>     * @param dataArea  the data area.<a name="line.639"></a>
<span class="sourceLineNo">640</span>     * @param ticks  the ticks.<a name="line.640"></a>
<span class="sourceLineNo">641</span>     */<a name="line.641"></a>
<span class="sourceLineNo">642</span>    protected void drawDomainGridlines(Graphics2D g2, Rectangle2D dataArea,<a name="line.642"></a>
<span class="sourceLineNo">643</span>                                       List ticks) {<a name="line.643"></a>
<span class="sourceLineNo">644</span><a name="line.644"></a>
<span class="sourceLineNo">645</span>        // draw the domain grid lines, if the flag says they're visible...<a name="line.645"></a>
<span class="sourceLineNo">646</span>        if (isDomainGridlinesVisible()) {<a name="line.646"></a>
<span class="sourceLineNo">647</span>            Iterator iterator = ticks.iterator();<a name="line.647"></a>
<span class="sourceLineNo">648</span>            while (iterator.hasNext()) {<a name="line.648"></a>
<span class="sourceLineNo">649</span>                ValueTick tick = (ValueTick) iterator.next();<a name="line.649"></a>
<span class="sourceLineNo">650</span>                double v = this.domainAxis.valueToJava2D(tick.getValue(),<a name="line.650"></a>
<span class="sourceLineNo">651</span>                        dataArea, RectangleEdge.BOTTOM);<a name="line.651"></a>
<span class="sourceLineNo">652</span>                Line2D line = new Line2D.Double(v, dataArea.getMinY(), v,<a name="line.652"></a>
<span class="sourceLineNo">653</span>                        dataArea.getMaxY());<a name="line.653"></a>
<span class="sourceLineNo">654</span>                g2.setPaint(getDomainGridlinePaint());<a name="line.654"></a>
<span class="sourceLineNo">655</span>                g2.setStroke(getDomainGridlineStroke());<a name="line.655"></a>
<span class="sourceLineNo">656</span>                g2.draw(line);<a name="line.656"></a>
<span class="sourceLineNo">657</span>            }<a name="line.657"></a>
<span class="sourceLineNo">658</span>        }<a name="line.658"></a>
<span class="sourceLineNo">659</span>    }<a name="line.659"></a>
<span class="sourceLineNo">660</span><a name="line.660"></a>
<span class="sourceLineNo">661</span>    /**<a name="line.661"></a>
<span class="sourceLineNo">662</span>     * Draws the gridlines for the plot, if they are visible.<a name="line.662"></a>
<span class="sourceLineNo">663</span>     *<a name="line.663"></a>
<span class="sourceLineNo">664</span>     * @param g2  the graphics device.<a name="line.664"></a>
<span class="sourceLineNo">665</span>     * @param dataArea  the data area.<a name="line.665"></a>
<span class="sourceLineNo">666</span>     * @param ticks  the ticks.<a name="line.666"></a>
<span class="sourceLineNo">667</span>     */<a name="line.667"></a>
<span class="sourceLineNo">668</span>    protected void drawRangeGridlines(Graphics2D g2, Rectangle2D dataArea,<a name="line.668"></a>
<span class="sourceLineNo">669</span>                                      List ticks) {<a name="line.669"></a>
<span class="sourceLineNo">670</span><a name="line.670"></a>
<span class="sourceLineNo">671</span>        // draw the range grid lines, if the flag says they're visible...<a name="line.671"></a>
<span class="sourceLineNo">672</span>        if (isRangeGridlinesVisible()) {<a name="line.672"></a>
<span class="sourceLineNo">673</span>            Iterator iterator = ticks.iterator();<a name="line.673"></a>
<span class="sourceLineNo">674</span>            while (iterator.hasNext()) {<a name="line.674"></a>
<span class="sourceLineNo">675</span>                ValueTick tick = (ValueTick) iterator.next();<a name="line.675"></a>
<span class="sourceLineNo">676</span>                double v = this.rangeAxis.valueToJava2D(tick.getValue(),<a name="line.676"></a>
<span class="sourceLineNo">677</span>                        dataArea, RectangleEdge.LEFT);<a name="line.677"></a>
<span class="sourceLineNo">678</span>                Line2D line = new Line2D.Double(dataArea.getMinX(), v,<a name="line.678"></a>
<span class="sourceLineNo">679</span>                        dataArea.getMaxX(), v);<a name="line.679"></a>
<span class="sourceLineNo">680</span>                g2.setPaint(getRangeGridlinePaint());<a name="line.680"></a>
<span class="sourceLineNo">681</span>                g2.setStroke(getRangeGridlineStroke());<a name="line.681"></a>
<span class="sourceLineNo">682</span>                g2.draw(line);<a name="line.682"></a>
<span class="sourceLineNo">683</span>            }<a name="line.683"></a>
<span class="sourceLineNo">684</span>        }<a name="line.684"></a>
<span class="sourceLineNo">685</span><a name="line.685"></a>
<span class="sourceLineNo">686</span>    }<a name="line.686"></a>
<span class="sourceLineNo">687</span><a name="line.687"></a>
<span class="sourceLineNo">688</span>    /**<a name="line.688"></a>
<span class="sourceLineNo">689</span>     * Returns the range of data values to be plotted along the axis, or<a name="line.689"></a>
<span class="sourceLineNo">690</span>     * &lt;code&gt;null&lt;/code&gt; if the specified axis isn't the domain axis or the<a name="line.690"></a>
<span class="sourceLineNo">691</span>     * range axis for the plot.<a name="line.691"></a>
<span class="sourceLineNo">692</span>     *<a name="line.692"></a>
<span class="sourceLineNo">693</span>     * @param axis  the axis (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.693"></a>
<span class="sourceLineNo">694</span>     *<a name="line.694"></a>
<span class="sourceLineNo">695</span>     * @return The range (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.695"></a>
<span class="sourceLineNo">696</span>     */<a name="line.696"></a>
<span class="sourceLineNo">697</span>    public Range getDataRange(ValueAxis axis) {<a name="line.697"></a>
<span class="sourceLineNo">698</span>        Range result = null;<a name="line.698"></a>
<span class="sourceLineNo">699</span>        if (axis == this.domainAxis) {<a name="line.699"></a>
<span class="sourceLineNo">700</span>            result = this.xDataRange;<a name="line.700"></a>
<span class="sourceLineNo">701</span>        }<a name="line.701"></a>
<span class="sourceLineNo">702</span>        else if (axis == this.rangeAxis) {<a name="line.702"></a>
<span class="sourceLineNo">703</span>            result = this.yDataRange;<a name="line.703"></a>
<span class="sourceLineNo">704</span>        }<a name="line.704"></a>
<span class="sourceLineNo">705</span>        return result;<a name="line.705"></a>
<span class="sourceLineNo">706</span>    }<a name="line.706"></a>
<span class="sourceLineNo">707</span><a name="line.707"></a>
<span class="sourceLineNo">708</span>    /**<a name="line.708"></a>
<span class="sourceLineNo">709</span>     * Calculates the X data range.<a name="line.709"></a>
<span class="sourceLineNo">710</span>     *<a name="line.710"></a>
<span class="sourceLineNo">711</span>     * @param data  the data (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.711"></a>
<span class="sourceLineNo">712</span>     *<a name="line.712"></a>
<span class="sourceLineNo">713</span>     * @return The range.<a name="line.713"></a>
<span class="sourceLineNo">714</span>     */<a name="line.714"></a>
<span class="sourceLineNo">715</span>    private Range calculateXDataRange(float[][] data) {<a name="line.715"></a>
<span class="sourceLineNo">716</span><a name="line.716"></a>
<span class="sourceLineNo">717</span>        Range result = null;<a name="line.717"></a>
<span class="sourceLineNo">718</span><a name="line.718"></a>
<span class="sourceLineNo">719</span>        if (data != null) {<a name="line.719"></a>
<span class="sourceLineNo">720</span>            float lowest = Float.POSITIVE_INFINITY;<a name="line.720"></a>
<span class="sourceLineNo">721</span>            float highest = Float.NEGATIVE_INFINITY;<a name="line.721"></a>
<span class="sourceLineNo">722</span>            for (int i = 0; i &lt; data[0].length; i++) {<a name="line.722"></a>
<span class="sourceLineNo">723</span>                float v = data[0][i];<a name="line.723"></a>
<span class="sourceLineNo">724</span>                if (v &lt; lowest) {<a name="line.724"></a>
<span class="sourceLineNo">725</span>                    lowest = v;<a name="line.725"></a>
<span class="sourceLineNo">726</span>                }<a name="line.726"></a>
<span class="sourceLineNo">727</span>                if (v &gt; highest) {<a name="line.727"></a>
<span class="sourceLineNo">728</span>                    highest = v;<a name="line.728"></a>
<span class="sourceLineNo">729</span>                }<a name="line.729"></a>
<span class="sourceLineNo">730</span>            }<a name="line.730"></a>
<span class="sourceLineNo">731</span>            if (lowest &lt;= highest) {<a name="line.731"></a>
<span class="sourceLineNo">732</span>                result = new Range(lowest, highest);<a name="line.732"></a>
<span class="sourceLineNo">733</span>            }<a name="line.733"></a>
<span class="sourceLineNo">734</span>        }<a name="line.734"></a>
<span class="sourceLineNo">735</span><a name="line.735"></a>
<span class="sourceLineNo">736</span>        return result;<a name="line.736"></a>
<span class="sourceLineNo">737</span><a name="line.737"></a>
<span class="sourceLineNo">738</span>    }<a name="line.738"></a>
<span class="sourceLineNo">739</span><a name="line.739"></a>
<span class="sourceLineNo">740</span>    /**<a name="line.740"></a>
<span class="sourceLineNo">741</span>     * Calculates the Y data range.<a name="line.741"></a>
<span class="sourceLineNo">742</span>     *<a name="line.742"></a>
<span class="sourceLineNo">743</span>     * @param data  the data (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.743"></a>
<span class="sourceLineNo">744</span>     *<a name="line.744"></a>
<span class="sourceLineNo">745</span>     * @return The range.<a name="line.745"></a>
<span class="sourceLineNo">746</span>     */<a name="line.746"></a>
<span class="sourceLineNo">747</span>    private Range calculateYDataRange(float[][] data) {<a name="line.747"></a>
<span class="sourceLineNo">748</span><a name="line.748"></a>
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<span class="sourceLineNo">950</span>     *<a name="line.950"></a>
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<span class="sourceLineNo">973</span>     *<a name="line.973"></a>
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